kernel: add a bridge feature for filtering BPDU packets on ports

[Felix Fietkau]

On 2021-09-28 13:49, Andre Heider wrote:
> On 28/09/2021 12:20, Andre Heider wrote:
>> fyi brport/proxyarp was still "0" too, which probably means that the 
>> netidf condition "if (up && ifname != vif->ifname)" doesn't eval to true 
>> as that's the only spot setting "dev->wireless_proxyarp".
> 
> That pointed me in the right direction, attached netifd patch fixes the 
> issue for me. lol.
Your patch looks correct to me, thanks for looking into this. I've
pushed it out, but extended the commit description a bit.
Not only was the use of strcmp necessary, but the previous logic was
inverted as well.

- Felix